Castle is where players challenge each boss in the castle. Once of the player succeed in capturing the castle, he will own one. They can patrol the castle by selecting any pet to get pet's fragments, consumables and pet's own fragments.
There are 6 castles:
- Red's Castle (20000 C.E. required)
- Chuck's Castle (70000 C.E. required)
- The Blues' Castle
- Bomb's Castle
- Matilda's Castle
- Green's Castle
Green's castle is known instead of Boomerang's castle. This is done to the space limitation purposes.